Ambassador Theater Group, the U.K. legit company in the process of bolstering its position as an international player, continues to step up its expansion efforts with the promotion of David Lazar, the chief exec officer of ATG’s New York office, to the newly created position of executive director.

Lazar, who established ATG’s Gotham outpost in 2007, will be based in London for his new gig, but will also continue as CEO of the company’s New York branch. In his new position, he’ll work with ATG joint CEO and creative director Howard Panter to identify, develop and produce content for the U.K. and for international markets.

ATG, the company that owns a massive stable of 39 U.K. venues, recently made its first foray into Broadway real estate with the purchase of the Lyric, the “Spider-Man: Turn Off the Dark” venue formerly known as the Foxwoods. The company also recently expanded it global operations with the appointment of Tim McFarlane as topper of ATG Asia/Pacific.

Prior to his tenure at ATG, Lazar was an exec in the legit division of Live Nation and its predecessors (PACE Theatrical, SFX Entertainment and Clear Channel).

ATG — the umbrella under which frequent transatlantic producer Sonia Friedman Prods. operates — has established a number of subsidiary shingles run by stage creatives, with recent output that has included “Macbeth” starring James McAvoy.